Which versions of OpenViking are affected by CVE-2026-22207?

OpenViking versions 0.1.18 and earlier contain a critical authentication bypass vulnerability (CVSS 9.8) that allows unauthenticated attackers to access sensitive functions.

How to fix or mitigate CVE-2026-22207?

Within 24 hours: Inventory all systems running OpenViking and assess whether they are internet-facing or accessible from untrusted networks. Within 7 days: Implement network segmentation to restrict access to OpenViking instances and apply WAF rules to block suspicious requests to critical functions; contact vendor for patch timeline and interim security updates. Within 30 days: Evaluate migration to patched versions or alternative solutions; conduct forensic review of access logs for indicators of exploitation.

OpenViking CVE-2026-22207

Q: What is the CVSS score of CVE-2026-22207?

CVE-2026-22207 has a CVSS 4.0 base score of 9.3 (Critical). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.2%.

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2026-02-26 disclosure@vulncheck.com

Authentication Bypass

9.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

9.3 CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:56 vuln.today

CVE Published

Feb 26, 2026 - 21:28 nvd

CRITICAL 9.3

DescriptionCVE.org

OpenViking through version 0.1.18, prior to commit 0251c70, contains a broken access control vulnerability that allows unauthenticated attackers to gain ROOT privileges when the root_api_key configuration is omitted. Attackers can send requests to protected endpoints without authentication headers to access administrative functions including account management, resource operations, and system configuration.